added missing require.main
replaced tab withs spaces
added definitions for colors.js
Add Ext JS 4.2.1 as latest. Fixes to both versions (mainly around static methods for singleton classes, but other tweaks as well).
Merge pull request #602 from Bartvds/master

added require.main to node.js
Merge pull request #604 from brian428/_extjs

Add Ext JS 4.2.1 as latest. Fixes to both versions (mainly around static...